Harold McMaster

inventor

Born:20 July 1916

Best Known as:inventor of tempered glass

Harold McMaster invented tempered glass which is indispensible in
modern skyscrapers and any construction where glass strength and safety is
critical. McMaster studied physics at Ohio State University. He then
became a research physicist at Libby-Owens-Ford Glass Company. McMaster
later founded Permaglass, Inc. where he commercialized the glass tempering
process. During his career, McMaster developed over 100 patents in the
fields of glass bending and tempering, solar energy, and rotary engines.
He died on August 25, 2003.

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Harold McMaster - Biography of Harold McMaster, Harold McMaster invented tempered glass which is indispensible in modern skyscrapers and any construction where glass strength and safety is…